Huidu HD-R732 Fine-Pitch LED Receiving Card – 8 HUB320 Ports
Original price was: $ 16.00.$ 14.00Current price is: $ 14.00.
The Huidu HD-R732 is a fine-pitch LED receiving card with eight HUB320 ports, two Gigabit Ethernet ports and static to 1/128 scan support. Review the specification and loading-capacity revision note before selecting the card.
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Huidu HD-R732 fine-pitch LED receiving card
The HD-R732 connects a compatible LED sending system to fine-pitch display modules through eight HUB320 interfaces. It supports common driver ICs, most PWM ICs and scan configurations from static to 1/128 scan.
Technical specifications
The following table uses the linked HD-R732 V0.1 specification.
| Product / application | HD-R732 receiving card for fine-pitch LED screens |
|---|---|
| PDF loading capacity | 262,144 pixels (256 × 1024), listed as maximum recommended |
| LED module interfaces | 8 × HUB320 |
| Network interfaces | 2 × 1 Gbps Ethernet; interchangeable |
| Power connections | 2 DC power interfaces; connect either one |
| Driver ICs | Common ICs and most PWM ICs |
| Scan mode | Static to 1/128 scan |
| Grayscale | 256–65,536 |
| Network cable | Super Cat5 / Cat6, within 80 m |
| Input voltage | DC 4.0–5.5 V; typical / recommended 5.0 V |
| Power | 5 W |
| Operating / storage temperature | −40°C to 75°C / −40°C to 105°C |
| Operating humidity | 0–95% |
| Net weight | 0.104 kg |
Loading capacity needs revision confirmation: the earlier listing gave 160 × 1024 for conventional ICs and 320 × 1024 for PWM ICs, while the PDF specifies 256 × 1024. Do not assume that the higher figure applies to the supplied card.
Module layout and connection
The card supports multi-card cascading in arbitrary order, smart settings and built-in screen tests for brightness uniformity and module flatness. Match the module connector pinout and sending-system configuration before connection.
HD-R732 frequently asked questions
What is the HD-R732 loading capacity?
The linked V0.1 specification lists 262,144 pixels (256 × 1024). The earlier product text instead listed 160 × 1024 for conventional ICs and 320 × 1024 for PWM ICs. These values conflict; confirm the hardware revision, driver IC and module configuration before designing around either alternative.
How many HUB320 ports does the R732 have?
The card has eight HUB320 module interfaces. The PDF notes full loading through eight ports for P1.538 and P1.25 applications; verify the actual module dimensions and scan configuration.
Which LED control systems can use this receiving card?
The PDF lists dual-mode player boxes, asynchronous controllers, synchronous sending cards and 3-in-1 video processors. Compatibility still depends on the selected sender, module IC and configuration.
Do both power connectors need to be connected?
No. The specification says either power interface can be used. It allows DC 4.0–5.5 V and recommends a standard 5 V supply for stable operation.
How can I check the R732 running indicator?
A steady green PWR light indicates normal power. RUN flashing four times per second indicates normal receiving operation with Ethernet input; one flash every two seconds indicates an abnormal Ethernet connection or no video source.
Specification download
| Weight | 0.4 kg |
|---|
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